feat(注解支持): 完善注解交互，优化工具栏与默认文字样式

assets/webui/index.html

@@ -92,19 +92,6 @@
 				</select>
 				<button id="objectStyleButton" class="editor-group-action" type="button" title="对象样式" aria-label="对象样式" aria-haspopup="dialog" aria-controls="objectStylePanel" disabled>对象</button>
 			</div>
-			<div class="editor-group editor-transform">
-				<select id="objectRotate" class="order-select" aria-label="对象旋转" disabled>
-					<option value="" hidden>旋转</option>
-					<option value="90">右转90°</option>
-					<option value="-90">左转90°</option>
-				</select>
-				<select id="objectFlip" class="order-select" aria-label="对象翻转" disabled>
-					<option value="" hidden>翻转</option>
-					<option value="horizontal">水平</option>
-					<option value="vertical">垂直</option>
-				</select>
-				<button id="objectBoundsButton" class="editor-group-action" type="button" title="位置尺寸" aria-label="位置尺寸" aria-haspopup="dialog" aria-controls="objectBoundsPanel" disabled>变换</button>
-			</div>
 			<div class="editor-group">
 				<button id="insertTextButton" class="button" type="button" title="文字" aria-label="文字" aria-pressed="false">文字</button>
 				<button id="insertImageButton" class="button" type="button" title="图片" aria-label="图片">图片</button>
@@ -150,6 +137,19 @@
 				<button id="resetCropButton" class="button" type="button" aria-label="还原图片" disabled>还原</button>
 				<span>图片</span>
 			</div>
+			<div class="editor-group editor-transform">
+				<select id="objectRotate" class="order-select" aria-label="对象旋转" disabled>
+					<option value="" hidden>旋转</option>
+					<option value="90">右转90°</option>
+					<option value="-90">左转90°</option>
+				</select>
+				<select id="objectFlip" class="order-select" aria-label="对象翻转" disabled>
+					<option value="" hidden>翻转</option>
+					<option value="horizontal">水平</option>
+					<option value="vertical">垂直</option>
+				</select>
+				<button id="objectBoundsButton" class="editor-group-action" type="button" title="位置尺寸" aria-label="位置尺寸" aria-haspopup="dialog" aria-controls="objectBoundsPanel" disabled>变换</button>
+			</div>
 			<div class="editor-group editor-erase">
 				<button id="eraseButton" class="button" type="button" title="擦除" aria-label="擦除" aria-pressed="false">擦除</button>
 				<select id="eraseMode" aria-label="擦除方式" title="擦除方式，矩形和套索为视觉裁剪"><option value="erase-object">对象</option><option value="erase-region">矩形</option><option value="erase-path">套索</option></select>

assets/webui/ofdgo.css

@@ -1257,13 +1257,13 @@ button.outline-link:hover {
 	overflow-y: hidden;
 }
 
-.viewer-panel:focus-visible {
-	outline: 2px solid var(--focus);
-	outline-offset: -2px;
+.viewer-panel:focus {
+	outline: none;
 }
 
-.viewer-panel.pointer-focus:focus {
-	outline: none;
+.viewer-panel.keyboard-focus:focus-visible {
+	outline: 2px solid var(--focus);
+	outline-offset: -2px;
 }
 
 .viewer-panel.pan-mode,
@@ -1781,6 +1781,29 @@ button.outline-link:hover {
 	background: rgba(15, 123, 104, 0.08);
 }
 
+.page-region-link,
+.page-region-link:hover,
+.page-region-link:focus-visible {
+	pointer-events: none;
+	background: none;
+}
+
+.page-region-link > svg {
+	display: block;
+	width: 100%;
+	height: 100%;
+}
+
+.page-region-link path {
+	pointer-events: fill;
+	fill: transparent;
+}
+
+.page-region-link:hover path,
+.page-region-link:focus-visible path {
+	fill: rgba(15, 123, 104, 0.08);
+}
+
 .annotation-note {
 	position: absolute;
 	z-index: 2;
@@ -1793,7 +1816,16 @@ button.outline-link:hover {
 	font-size: 16px;
 	line-height: 20px;
 	text-align: center;
-	transform: translateX(-100%);
+	transform-origin: 0 0;
+	transform: rotate(var(--note-rotation, 0deg)) scale(var(--note-scale, 1)) translateX(-100%);
+}
+
+.annotation-note.no-zoom {
+	--note-scale: calc(1 / var(--surface-scale, 1));
+}
+
+.annotation-note.no-rotate {
+	--note-rotation: calc(-1 * var(--surface-rotation, 0deg));
 }
 
 .annotation-detail {
@@ -1804,7 +1836,8 @@ button.outline-link:hover {
 	overflow-wrap: anywhere;
 }
 
-.editing .annotation-note {
+.editing .annotation-note,
+.editing .page-link {
 	display: none;
 }
 

assets/webui/ofdgo.js

@@ -55,7 +55,7 @@ const state = {
 	outlineExpanded: new Map(),
 	textFonts: [],
 	textFontID: null,
-	textDefaults: { type: "TextObject", size: 12 * 25.4 / 72, color: "#000000", wrap: true, align: "left", paragraphHeight: 0, letterSpacing: 0 },
+	textDefaults: { type: "TextObject", size: 16 * 25.4 / 72, color: "#000000", wrap: true, align: "left", paragraphHeight: 0, letterSpacing: 0 },
 	ofdBytes: null,
 	fileName: "ofdgo.ofd",
 	openSeq: 0,
@@ -802,8 +802,10 @@ el.searchInput.addEventListener("input", () => resetSearch(false));
 el.searchPrev.addEventListener("click", () => selectSearchMatch(Math.max(0, state.searchIndex) - 1));
 el.searchNext.addEventListener("click", () => selectSearchMatch(state.searchIndex + 1));
 document.addEventListener("keydown", handleKeyDown);
-document.addEventListener("keydown", () => el.viewerPanel.classList.remove("pointer-focus"), true);
-document.addEventListener("pointerdown", () => el.viewerPanel.classList.add("pointer-focus"), true);
+document.addEventListener("keydown", event => {
+	if (event.key === "Tab") el.viewerPanel.classList.add("keyboard-focus");
+}, true);
+document.addEventListener("pointerdown", () => el.viewerPanel.classList.remove("keyboard-focus"), true);
 el.fontAddButton.addEventListener("click", () => openFontFile(el.fontInput));
 el.fontDirectoryButton.addEventListener("click", () => openFontFile(el.fontDirectoryInput));
 el.localFontButton.addEventListener("click", loadLocalFonts);
@@ -960,7 +962,7 @@ function handleKeyDown(event) {
 			state.showPages = false;
 			updateSidebarState();
 		}
-		el.viewerPanel.focus({ preventScroll: true });
+		canvasEditor.focus();
 		return;
 	}
 	if (key === "Enter" && target === el.pageInput && !event.shiftKey) {
@@ -1424,7 +1426,7 @@ async function enterCompositeScope(index, key) {
 		if (page && surface) mountEditorObjects(index, page, surface);
 		updateControls();
 		setStatus(pageStatus(index, state.doc.pageCount));
-		el.viewerPanel.focus({ preventScroll: true });
+		canvasEditor.focus();
 	} catch (err) {
 		if (openSeq === state.openSeq) showError(err, false);
 	} finally {
@@ -1439,7 +1441,7 @@ async function exitCompositeScope() {
 	if (split >= 0) return enterCompositeScope(scope.index, scope.key.slice(0, split));
 	resetCompositeScope();
 	updateControls();
-	el.viewerPanel.focus({ preventScroll: true });
+	canvasEditor.focus();
 }
 
 async function startImageCrop(item) {
@@ -1524,7 +1526,7 @@ async function toggleTextTool() {
 	state.selectObjects = true;
 	setPan(false);
 	canvasEditor.setTool("text");
-	el.viewerPanel.focus({ preventScroll: true });
+	canvasEditor.focus();
 }
 
 async function beginCanvasText(index, box, surface, page) {
@@ -1684,7 +1686,7 @@ async function insertObject(event) {
 		}
 		el.insertPanel.close();
 		if (item && doc.revision === state.editorInfo?.revision) {
-			el.viewerPanel.focus({ preventScroll: true });
+			canvasEditor.focus();
 			return;
 		}
 		setEditorInfo(doc);
@@ -1695,7 +1697,7 @@ async function insertObject(event) {
 		await refreshEditorPage(doc, index, openSeq);
 		if (openSeq === state.openSeq) {
 			rememberEditorView(before, revision, !item && !!state.composite);
-			el.viewerPanel.focus({ preventScroll: true });
+			canvasEditor.focus();
 		}
 	} catch (err) {
 		if (openSeq === state.openSeq) {
@@ -1846,7 +1848,7 @@ function toggleDrawingTool(tool) {
 	state.selectObjects = true;
 	setPan(false);
 	canvasEditor.setTool(next);
-	el.viewerPanel.focus({ preventScroll: true });
+	canvasEditor.focus();
 }
 
 function updateDrawingControls() {
@@ -1972,7 +1974,7 @@ async function changeDocument(name, item, ...args) {
 		}
 		if (openSeq === state.openSeq) {
 			if (!restoring) rememberEditorView(before, revision, reindex);
-			if (!toolbarFocus) el.viewerPanel.focus({ preventScroll: true });
+			if (!toolbarFocus) canvasEditor.focus();
 			return true;
 		}
 	} catch (err) {
@@ -3036,7 +3038,7 @@ async function openDocument(options = {}) {
 		const page = options.keepPreview ? state.pageCache.get(pageIndex)
 			: await renderPage(pageIndex, { keepBusy: true, scroll: false, openSeq });
 		if (page && options.resetScroll) {
-			el.viewerPanel.focus({ preventScroll: true });
+			canvasEditor.focus();
 		}
 		queueNearbyPages(pageIndex, openSeq);
 		loadDocumentDetails(openSeq);
@@ -3516,8 +3518,9 @@ async function processPageRenderQueue() {
 						task.resolve(null);
 						continue;
 					}
-					page.cacheBytes = (page.svg.length + page.text.length) * 2;
+					page.cacheBytes = (page.svg.length + page.text.length + page.annotations.length) * 2;
 					page.text = JSON.parse(page.text);
+					page.annotations = JSON.parse(page.annotations);
 					state.pageCache.set(task.index, page);
 				}
 				task.resolve(page);
@@ -3612,36 +3615,89 @@ function mountPageSVG(index, page, openSeq = state.openSeq) {
 	if (state.editorInfo) {
 		mountEditorObjects(index, page, surface);
 	}
-	mountAnnotationNotes(index, surface);
-	for (const link of page.links) {
+	mountAnnotationNotes(index, surface, page.annotations);
+	mountPageLinks(page, surface);
+	shell.classList.add("rendered");
+	renderSearchHighlights(index);
+	if (state.doc?.pages?.[index]) {
+		layoutPageShell(shell, state.doc.pages[index]);
+	}
+}
+
+function pageLinkTarget(link) {
+	if (link.dest) {
+		const target = state.doc.pages.findIndex(page => page.id === link.dest.pageID);
+		return { href: target < 0 ? "#" : `#page-${target + 1}`, title: target < 0 ? "文档链接" : `第${target + 1}页`, activate: () => navigateDestination(link.dest) };
+	}
+	if (link.attachment) {
+		return { href: "#", title: link.fileName ? `下载附件：${link.fileName}` : "下载附件", activate: () => {
+			if (!link.fileName) { setStatus("附件不存在"); return; }
+			return downloadAttachment({ id: link.attachment, fileName: link.fileName });
+		} };
+	}
+	let url;
+	try { url = new URL(link.uri); } catch { return null; }
+	if (url.protocol !== "http:" && url.protocol !== "https:") return null;
+	return { href: url.href, title: url.href, external: true, activate: () => { window.open(url.href, "_blank", "noopener,noreferrer"); } };
+}
+
+function mountPageLinks(page, surface) {
+	const groups = new Map();
+	const mounted = new Map();
+	for (const [index, link] of page.links.entries()) {
+		const target = pageLinkTarget(link);
+		if (!target) continue;
+		target.order = index;
+		const key = link.group ? JSON.stringify([link.group, link.x, link.y, link.width, link.height, link.path]) : index;
+		if (!groups.has(key)) groups.set(key, { link, targets: [] });
+		groups.get(key).targets.push(target);
+	}
+	for (const { link, targets } of groups.values()) {
 		const anchor = document.createElement("a");
 		anchor.className = "page-link";
-		if (link.dest) {
-			const target = state.doc.pages.findIndex(page => page.id === link.dest.pageID);
-			anchor.href = target < 0 ? "#" : `#page-${target + 1}`;
-			anchor.title = target < 0 ? "文档链接" : `第${target + 1}页`;
-			anchor.addEventListener("click", event => { event.preventDefault(); navigateDestination(link.dest); });
-		} else {
-			let url;
-			try { url = new URL(link.uri); } catch { continue; }
-			if (url.protocol !== "http:" && url.protocol !== "https:") continue;
-			anchor.href = url.href;
+		anchor.href = targets[0].href;
+		anchor.title = targets[0].title;
+		mounted.set(anchor, { link, targets });
+		if (!link.group && targets[0].external) {
 			anchor.target = "_blank";
 			anchor.rel = "noopener noreferrer";
-			anchor.title = url.href;
+		} else {
+			anchor.addEventListener("click", async event => {
+				event.preventDefault();
+				if (document.body.hasAttribute("aria-busy")) return;
+				const openSeq = state.openSeq;
+				let actions = targets;
+				if (event.detail && link.group) {
+					const matches = new Set();
+					for (const node of document.elementsFromPoint(event.clientX, event.clientY)) {
+						const entry = mounted.get(node.closest(".page-link"));
+						if (entry?.link.group === link.group) entry.targets.forEach(target => matches.add(target));
+					}
+					actions = [...matches].sort((a, b) => a.order - b.order);
+				}
+				for (const target of actions) {
+					if (openSeq !== state.openSeq) break;
+					await target.activate();
+				}
+			});
 		}
 		anchor.setAttribute("aria-label", anchor.title);
 		anchor.style.left = `${link.x / page.width * 100}%`;
 		anchor.style.top = `${link.y / page.height * 100}%`;
 		anchor.style.width = `${link.width / page.width * 100}%`;
 		anchor.style.height = `${link.height / page.height * 100}%`;
+		if (link.path) {
+			anchor.classList.add("page-region-link");
+			const region = document.createElementNS("http://www.w3.org/2000/svg", "svg");
+			region.setAttribute("viewBox", `${link.x} ${link.y} ${link.width} ${link.height}`);
+			region.setAttribute("aria-hidden", "true");
+			const path = document.createElementNS("http://www.w3.org/2000/svg", "path");
+			path.setAttribute("d", link.path);
+			region.append(path);
+			anchor.append(region);
+		}
 		surface.append(anchor);
 	}
-	shell.classList.add("rendered");
-	renderSearchHighlights(index);
-	if (state.doc?.pages?.[index]) {
-		layoutPageShell(shell, state.doc.pages[index]);
-	}
 }
 
 function destinationPoint(page, x, y) {
@@ -4121,6 +4177,7 @@ function layoutPageShell(shell, page) {
 		const y = state.rotation >= 180 ? viewHeight : 0;
 		surface.style.transform = `scale(${scale}) translate(${x}px, ${y}px) rotate(${state.rotation}deg)`;
 		surface.style.setProperty("--surface-scale", String(scale));
+		surface.style.setProperty("--surface-rotation", `${state.rotation}deg`);
 		surface.classList.toggle("sideways", state.rotation % 180 !== 0);
 	}
 }
@@ -4920,7 +4977,6 @@ function renderMeta(keepDetails = false) {
 	el.metaSignatures.textContent = doc.detailsPending ? "正在检查" : doc.detailsError ? "读取失败" : String(doc.signatureCount || 0);
 	renderMetaContent(el.attachmentList, [doc.attachments, doc.attachmentError], renderAttachments);
 	renderMetaContent(el.signatureList, [doc.signatures, doc.signatureError], renderSignatures);
-	renderAnnotations();
 	renderMetaContent(el.docFontList, doc.fonts || [], renderDocumentFonts);
 	updateTextFonts(canvasEditor.selected, true);
 	updateLocalFontButton();
@@ -5189,21 +5245,17 @@ function clearRegionHighlights() {
 	}
 }
 
-function renderAnnotations() {
-	for (const shell of el.svgHost.querySelectorAll(".page-shell.rendered")) {
-		mountAnnotationNotes(Number(shell.dataset.pageIndex), shell.querySelector(".page-surface"));
-	}
-}
-
-function mountAnnotationNotes(index, surface) {
+function mountAnnotationNotes(index, surface, annotations) {
 	for (const note of surface.querySelectorAll(".annotation-note")) note.remove();
 	if (!state.renderAnnotations) return;
 	const page = state.doc.pages[index];
-	for (const annotation of state.doc.annotations || []) {
+	for (const annotation of annotations || []) {
 		if (!annotation.visible || annotation.page !== index + 1 || !annotation.remark?.trim()) continue;
 		const note = document.createElement("button");
 		note.type = "button";
 		note.className = "annotation-note";
+		note.classList.toggle("no-zoom", !!annotation.noZoom);
+		note.classList.toggle("no-rotate", !!annotation.noRotate);
 		note.textContent = "\u24d8";
 		note.title = "查看注解";
 		note.setAttribute("aria-label", "查看注解");
@@ -5408,7 +5460,7 @@ function startPan(event) {
 	state.pan = { id: event.pointerId, x: event.clientX + el.viewerPanel.scrollLeft, y: event.clientY + el.viewerPanel.scrollTop };
 	el.viewerPanel.setPointerCapture(event.pointerId);
 	el.viewerPanel.classList.add("panning");
-	el.viewerPanel.focus({ preventScroll: true });
+	canvasEditor.focus();
 }
 
 function movePan(event) {

assets/webui/ofdgo_edit.js

@@ -242,6 +242,11 @@ export class CanvasEditor {
 		window.addEventListener("resize", () => this.cancel());
 	}
 
+	focus() {
+		this.viewer.classList.remove("keyboard-focus");
+		this.viewer.focus({ preventScroll: true });
+	}
+
 	setEnabled(enabled) {
 		this.enabled = enabled;
 		this.viewer.classList.toggle("editing-select", enabled);
@@ -499,7 +504,7 @@ export class CanvasEditor {
 				return;
 			}
 			event.preventDefault();
-			this.viewer.focus({ preventScroll: true });
+			this.focus();
 			const { item, box } = this.crop;
 			this.drag = { crop: true, box: { ...box }, pointerID: event.pointerId, corner: resizeCorner(this.crop.node, event),
 				page: item.page, rect: item.surface.getBoundingClientRect(), rotation: this.options.rotation(), clientX: event.clientX, clientY: event.clientY };
@@ -520,7 +525,7 @@ export class CanvasEditor {
 		const target = event.target.dataset.corner || direct && !direct.contours ? direct : this.itemsAt(event)[0];
 		if (node || target) event.preventDefault();
 		node = target?.node;
-		this.viewer.focus({ preventScroll: true });
+		this.focus();
 		const additive = event.shiftKey || event.ctrlKey || event.metaKey || this.multiple;
 		if (!target) {
 			this.startMarquee(event, additive);
@@ -579,7 +584,7 @@ export class CanvasEditor {
 		const items = this.itemsAt(event);
 		if (!items.length) return;
 		event.preventDefault();
-		this.viewer.focus({ preventScroll: true });
+		this.focus();
 		this.select(items[(items.indexOf(this.selected) + 1) % items.length]);
 	}
 
@@ -804,7 +809,7 @@ export class CanvasEditor {
 		const page = this.pages.get(surface);
 		if (!page) return;
 		event.preventDefault();
-		this.viewer.focus({ preventScroll: true });
+		this.focus();
 		this.drag = { erase: this.tool, page, surface, items: [...surface.querySelectorAll(".edit-object")].map(node => this.nodes.get(node)),
 			erased: new Set(), shape: "rectangle", pointerID: event.pointerId, clientX: event.clientX, clientY: event.clientY,
 			rect: surface.getBoundingClientRect(), rotation: this.options.rotation() };
@@ -878,7 +883,7 @@ export class CanvasEditor {
 			return;
 		}
 		event.preventDefault();
-		this.viewer.focus({ preventScroll: true });
+		this.focus();
 		const shape = this.tool;
 		const style = this.options.drawStyle();
 		if (lineShape(shape)) {
@@ -1117,7 +1122,7 @@ export class CanvasEditor {
 			if (event.key === "Escape") {
 				event.preventDefault();
 				this.closeText();
-				this.viewer.focus({ preventScroll: true });
+				this.focus();
 			} else if (event.key === "Enter" && (event.ctrlKey || event.metaKey)) {
 				event.preventDefault();
 				this.commitText();
@@ -1224,7 +1229,7 @@ export class CanvasEditor {
 		item.surface.classList.add("cropping");
 		this.crop = { item, box, initialBox: { ...box }, node, mask, preview, original, pagePreview };
 		this.paintCrop();
-		this.viewer.focus({ preventScroll: true });
+		this.focus();
 	}
 
 	paintCrop() {

internal/webui/wasm.go

@@ -28,6 +28,7 @@ import (
 	"image/color"
 	"io"
 	"math"
+	"path"
 	"strconv"
 	"strings"
 	"syscall/js"
@@ -363,11 +364,23 @@ func renderPage(args []js.Value) (any, error) {
 	for i, link := range page.Links {
 		item := map[string]any{
 			"uri":    link.URI,
+			"path":   link.Path,
+			"group":  link.Group,
 			"x":      link.Box.X,
 			"y":      link.Box.Y,
 			"width":  link.Box.W,
 			"height": link.Box.H,
 		}
+		if link.Attachment != "" {
+			item["attachment"] = link.Attachment
+			attachments, _ := currentSession.Reader.Attachments()
+			for _, attachment := range attachments {
+				if attachment.ID == link.Attachment {
+					item["fileName"] = path.Base(currentSession.Reader.ResPath(attachment.FileLoc))
+					break
+				}
+			}
+		}
 		if dest := link.Dest; dest != nil {
 			item["dest"] = map[string]any{"type": dest.Type, "pageID": dest.PageID, "left": dest.Left, "top": dest.Top,
 				"right": dest.Right, "bottom": dest.Bottom, "zoom": dest.Zoom}
@@ -378,18 +391,23 @@ func renderPage(args []js.Value) (any, error) {
 	for i, font := range page.Fonts {
 		fonts[i] = map[string]any{"name": font.Name, "weight": font.Weight, "style": font.Style}
 	}
+	annotations, err := json.Marshal(page.Annotations)
+	if err != nil {
+		return nil, err
+	}
 	return successResult(map[string]any{
-		"index":   page.Index,
-		"number":  page.Number,
-		"id":      page.ID,
-		"width":   page.Width,
-		"height":  page.Height,
-		"svg":     page.SVG,
-		"links":   links,
-		"fonts":   fonts,
-		"images":  svgImagesToJS(page.Images),
-		"text":    string(textData),
-		"objects": objects,
+		"annotations": string(annotations),
+		"index":       page.Index,
+		"number":      page.Number,
+		"id":          page.ID,
+		"width":       page.Width,
+		"height":      page.Height,
+		"svg":         page.SVG,
+		"links":       links,
+		"fonts":       fonts,
+		"images":      svgImagesToJS(page.Images),
+		"text":        string(textData),
+		"objects":     objects,
 	}), nil
 }
 

internal/webui/webui.go

@@ -114,25 +114,24 @@ type Session struct {
 
 // DocumentInfo 文档信息
 type DocumentInfo struct {
-	Version         string                 `json:"version"`
-	DocType         string                 `json:"docType"`
-	Title           string                 `json:"title"`
-	Author          string                 `json:"author"`
-	Subject         string                 `json:"subject"`
-	CreationDate    string                 `json:"creationDate"`
-	ModDate         string                 `json:"modDate"`
-	PageCount       int                    `json:"pageCount"`
-	FontCount       int                    `json:"fontCount"`
-	SignatureCount  int                    `json:"signatureCount"`
-	SignatureError  string                 `json:"signatureError,omitempty"`
-	AttachmentError string                 `json:"attachmentError,omitempty"`
-	Attachments     []AttachmentInfo       `json:"attachments,omitempty"`
-	Fonts           []FontInfo             `json:"fonts"`
-	Signatures      []SignatureInfo        `json:"signatures"`
-	Annotations     []ofdgo.AnnotationInfo `json:"annotations,omitempty"`
-	Pages           []PageInfo             `json:"pages"`
-	Outlines        []OutlineInfo          `json:"outlines,omitempty"`
-	DetailsPending  bool                   `json:"detailsPending,omitempty"`
+	Version         string           `json:"version"`
+	DocType         string           `json:"docType"`
+	Title           string           `json:"title"`
+	Author          string           `json:"author"`
+	Subject         string           `json:"subject"`
+	CreationDate    string           `json:"creationDate"`
+	ModDate         string           `json:"modDate"`
+	PageCount       int              `json:"pageCount"`
+	FontCount       int              `json:"fontCount"`
+	SignatureCount  int              `json:"signatureCount"`
+	SignatureError  string           `json:"signatureError,omitempty"`
+	AttachmentError string           `json:"attachmentError,omitempty"`
+	Attachments     []AttachmentInfo `json:"attachments,omitempty"`
+	Fonts           []FontInfo       `json:"fonts"`
+	Signatures      []SignatureInfo  `json:"signatures"`
+	Pages           []PageInfo       `json:"pages"`
+	Outlines        []OutlineInfo    `json:"outlines,omitempty"`
+	DetailsPending  bool             `json:"detailsPending,omitempty"`
 }
 
 // OutlineInfo 目录节点信息
@@ -157,15 +156,16 @@ type PageInfo struct {
 
 // PageSVG 页面SVG结果
 type PageSVG struct {
-	Index  int              `json:"index"`
-	Number int              `json:"number"`
-	ID     string           `json:"id"`
-	Width  float64          `json:"width"`
-	Height float64          `json:"height"`
-	SVG    string           `json:"svg"`
-	Links  []ofdgo.PageLink `json:"-"`
-	Fonts  []ofdgo.SVGFont  `json:"-"`
-	Images []ofdgo.SVGImage `json:"-"`
+	Index       int                    `json:"index"`
+	Number      int                    `json:"number"`
+	ID          string                 `json:"id"`
+	Width       float64                `json:"width"`
+	Height      float64                `json:"height"`
+	SVG         string                 `json:"svg"`
+	Links       []ofdgo.PageLink       `json:"-"`
+	Fonts       []ofdgo.SVGFont        `json:"-"`
+	Images      []ofdgo.SVGImage       `json:"-"`
+	Annotations []ofdgo.AnnotationInfo `json:"annotations,omitempty"`
 }
 
 // ExportFormat 导出格式
@@ -391,7 +391,6 @@ func (s *Session) Info() DocumentInfo {
 		Pages:     make([]PageInfo, 0, len(s.doc.Pages.Page)),
 		Outlines:  s.doc.OutlineInfos(),
 	}
-	info.Annotations, _ = s.Reader.AnnotationInfos()
 	if attachments, err := s.Reader.Attachments(); err == nil {
 		for _, attachment := range attachments {
 			if attachment.Visible {
@@ -468,11 +467,15 @@ func (s *Session) RenderPageSVG(index int) (PageSVG, error) {
 	if err != nil {
 		return PageSVG{}, err
 	}
+	annotations, err := s.Reader.AnnotationInfosByIndex(index)
+	if err != nil {
+		return PageSVG{}, err
+	}
 	for i, font := range resources.Fonts {
 		s.svgFonts[font.Name] = font.Data
 		resources.Fonts[i].Data = nil
 	}
-	return PageSVG{Index: index, Number: index + 1, ID: page.ID, Width: box.W, Height: box.H, SVG: buf.String(), Links: links, Fonts: resources.Fonts, Images: resources.Images}, nil
+	return PageSVG{Index: index, Number: index + 1, ID: page.ID, Width: box.W, Height: box.H, SVG: buf.String(), Links: links, Fonts: resources.Fonts, Images: resources.Images, Annotations: annotations}, nil
 }
 
 // SVGFontData 获取已渲染页面引用的字体数据

ofdgo_action.go

@@ -18,6 +18,8 @@ import (
 	"encoding/xml"
 	"net/url"
 	"strconv"
+
+	"github.com/tdewolff/canvas"
 )
 
 // Action 动作
@@ -59,11 +61,16 @@ type URI struct {
 	Base string `xml:"Base,attr"`
 }
 
-// PageLink 页面矩形链接，URI与Dest分别表示外链和文档内跳转，Box使用页面毫米坐标
+// PageLink 页面链接，URI、Dest和Attachment分别表示外链、文档内跳转和附件
+// Box使用页面毫米坐标，Path为可选的页面坐标SVG路径，存在时作为精确点击区域
+// 同一来源的多个动作共享非零Group，组内按返回顺序执行
 type PageLink struct {
-	URI  string
-	Box  Box
-	Dest *Dest
+	URI        string
+	Box        Box
+	Dest       *Dest
+	Attachment string
+	Path       string
+	Group      int
 }
 
 // GotoA 附件动作
@@ -114,6 +121,8 @@ type RegionCommand struct {
 type actionSource struct {
 	Box     Box
 	Actions []Action
+	Matrix  Matrix
+	Path    string
 }
 
 // gotoDest 获取文档内跳转目标
@@ -229,17 +238,48 @@ func actionFloatAttr(start xml.StartElement, name string) float64 {
 // pageActionSources 获取页面动作来源
 // 入参: page 页面内容, box 页面区域
 // 返回: []actionSource 动作来源
-func pageActionSources(page *PageContent, box Box) []actionSource {
+func (r *Renderer) pageActionSources(page *PageContent, box Box) []actionSource {
 	sources := make([]actionSource, 0)
 	if len(page.Actions) > 0 {
 		sources = append(sources, actionSource{
 			Box:     Box{W: box.W, H: box.H},
 			Actions: page.Actions,
+			Matrix:  IdentityMatrix,
 		})
 	}
-	for _, layer := range page.Content.Layer {
+	for order := range 3 {
+		if r.Reader.doc != nil {
+			for _, ref := range page.Template {
+				kind := ref.ZOrder
+				if kind == "" {
+					kind = "Background"
+				}
+				if layerOrder(kind) != order {
+					continue
+				}
+				if template := r.loadTemplate(ref.TemplateID); template != nil {
+					sources = append(sources, actionSource{Box: Box{W: box.W, H: box.H}, Actions: template.Actions, Matrix: IdentityMatrix})
+					for templateOrder := range 3 {
+						sources = r.appendLayerActionSources(sources, template.Content.Layer, templateOrder)
+					}
+				}
+			}
+		}
+		sources = r.appendLayerActionSources(sources, page.Content.Layer, order)
+	}
+	return sources
+}
+
+// appendLayerActionSources 按绘制顺序添加图层动作来源
+// 入参: sources 动作来源, layers 页面图层, order 图层顺序
+// 返回: []actionSource 动作来源
+func (r *Renderer) appendLayerActionSources(sources []actionSource, layers []Layer, order int) []actionSource {
+	for _, layer := range layers {
+		if layerOrder(layer.Type) != order {
+			continue
+		}
 		for _, object := range layer.Objects {
-			sources = appendGraphicActionSources(sources, object, nil)
+			sources = r.appendGraphicActionSources(sources, object, IdentityMatrix, false, nil)
 		}
 	}
 	return sources
@@ -248,7 +288,7 @@ func pageActionSources(page *PageContent, box Box) []actionSource {
 // annotationActionSources 获取注释动作来源
 // 入参: annotations 页面注释
 // 返回: []actionSource 动作来源
-func annotationActionSources(annotations []Annotation) []actionSource {
+func (r *Renderer) annotationActionSources(annotations []Annotation) []actionSource {
 	sources := make([]actionSource, 0)
 	for _, annotation := range annotations {
 		if annotation.Visible != nil && !*annotation.Visible {
@@ -259,51 +299,162 @@ func annotationActionSources(annotations []Annotation) []actionSource {
 			continue
 		}
 		for _, object := range annotation.Appearance.Objects {
-			sources = appendGraphicActionSources(sources, object, &box)
+			sources = r.appendGraphicActionSources(sources, object, TranslationMatrix(box.X, box.Y), false, nil)
 		}
 	}
 	return sources
 }
 
 // appendGraphicActionSources 添加图形对象动作来源
-// 入参: sources 动作来源, object 图形对象, box 指定动作区域
+// 入参: sources 动作来源, object 图形对象, parent 父级变换, boundaryInCTM 边界是否参与父级变换, seen 当前资源引用链
 // 返回: []actionSource 动作来源
-func appendGraphicActionSources(sources []actionSource, object GraphicObject, box *Box) []actionSource {
-	var boundary string
+func (r *Renderer) appendGraphicActionSources(sources []actionSource, object GraphicObject, parent Matrix, boundaryInCTM bool, seen map[string]bool) []actionSource {
+	var boundary, ctm, resource string
 	var actions []Action
 	var children []GraphicObject
+	composite := false
 	switch object.Type {
 	case "TextObject":
 		boundary = object.TextObject.Boundary
+		ctm = object.TextObject.CTM
 		actions = object.TextObject.Actions
 	case "PathObject":
 		boundary = object.PathObject.Boundary
+		ctm = object.PathObject.CTM
 		actions = object.PathObject.Actions
 	case "ImageObject":
 		boundary = object.ImageObject.Boundary
+		ctm = object.ImageObject.CTM
 		actions = object.ImageObject.Actions
 	case "CompositeGraphicUnit", "CompositeObject":
 		boundary = object.CompositeGraphicUnit.Boundary
+		ctm = object.CompositeGraphicUnit.CTM
+		resource = object.CompositeGraphicUnit.ResourceID
 		actions = object.CompositeGraphicUnit.Actions
 		children = object.CompositeGraphicUnit.Objects
+		composite = true
 	}
+	box, _ := ParseBox(boundary)
+	placement := TranslationMatrix(box.X, box.Y).Multiply(parent)
+	if boundaryInCTM || composite {
+		placement = parent.Multiply(TranslationMatrix(box.X, box.Y))
+	}
+	matrix := placement.Multiply(NewMatrix(ctm))
 	if len(actions) > 0 {
-		sourceBox := box
-		if sourceBox == nil && boundary != "" {
-			if value, err := ParseBox(boundary); err == nil {
-				sourceBox = &value
-			}
+		source := actionSource{Box: placement.TransformBox(Box{W: box.W, H: box.H}), Actions: actions, Matrix: matrix}
+		if placement.a == 1 && placement.b == 0 && placement.c == 0 && placement.d == 1 {
+			source.Box.W, source.Box.H = box.W, box.H
 		}
-		if sourceBox != nil {
-			sources = append(sources, actionSource{Box: *sourceBox, Actions: actions})
+		if box.W > 0 && box.H > 0 && !axisAlignedMatrix(placement) {
+			source.Path = canvas.Rectangle(box.W, box.H).Transform(actionCanvasMatrix(placement)).ToSVG()
+		}
+		sources = append(sources, source)
+	}
+	if resource != "" && !seen[resource] {
+		if unit := r.CompositeGraphicUnits[resource]; unit != nil {
+			if seen == nil {
+				seen = make(map[string]bool)
+			}
+			seen[resource] = true
+			sources = r.appendGraphicActionSources(sources, GraphicObject{Type: "CompositeGraphicUnit", CompositeGraphicUnit: *unit}, matrix, true, seen)
+			delete(seen, resource)
 		}
 	}
 	for _, child := range children {
-		sources = appendGraphicActionSources(sources, child, box)
+		sources = r.appendGraphicActionSources(sources, child, matrix, boundaryInCTM, seen)
 	}
 	return sources
 }
 
+// actionCanvasMatrix 转换页面坐标矩阵，不翻转Y轴
+// 入参: matrix 页面变换
+// 返回: canvas.Matrix 路径变换
+func actionCanvasMatrix(matrix Matrix) canvas.Matrix {
+	return canvas.Matrix{{matrix.a, matrix.c, matrix.e}, {matrix.b, matrix.d, matrix.f}}
+}
+
+// actionRegionPath 解析复杂点击区域并转换为页面坐标
+// 入参: region 动作区域, matrix 坐标变换
+// 返回: *canvas.Path 点击路径
+func actionRegionPath(region *Region, matrix Matrix) *canvas.Path {
+	path := &canvas.Path{}
+	for _, area := range region.Area {
+		start := parseFloats(area.Start)
+		if len(start) != 2 {
+			continue
+		}
+		part := &canvas.Path{}
+		part.MoveTo(start[0], start[1])
+		for _, command := range area.Command {
+			p1, p2, p3 := parseFloats(command.Point1), parseFloats(command.Point2), parseFloats(command.Point3)
+			switch command.Type {
+			case "Move":
+				if len(p1) == 2 {
+					part.Close()
+					part.MoveTo(p1[0], p1[1])
+				}
+			case "Line":
+				if len(p1) == 2 {
+					part.LineTo(p1[0], p1[1])
+				}
+			case "QuadraticBezier":
+				if len(p1) == 2 && len(p2) == 2 {
+					part.QuadTo(p1[0], p1[1], p2[0], p2[1])
+				}
+			case "CubicBezier":
+				if len(p3) == 2 {
+					first, second := part.Pos(), canvas.Point{X: p3[0], Y: p3[1]}
+					if len(p1) == 2 {
+						first = canvas.Point{X: p1[0], Y: p1[1]}
+					}
+					if len(p2) == 2 {
+						second = canvas.Point{X: p2[0], Y: p2[1]}
+					}
+					part.CubeTo(first.X, first.Y, second.X, second.Y, p3[0], p3[1])
+				}
+			case "Arc":
+				size, end := parseFloats(command.EllipseSize), parseFloats(command.EndPoint)
+				angle, err := strconv.ParseFloat(command.RotationAngle, 64)
+				large, largeErr := strconv.ParseBool(command.LargeArc)
+				sweep, sweepErr := strconv.ParseBool(command.SweepDirection)
+				if len(end) == 2 && err == nil && largeErr == nil && sweepErr == nil {
+					rx, ry := 0.0, 0.0
+					if len(size) > 0 {
+						rx, ry = size[0], size[0]
+					}
+					if len(size) > 1 {
+						ry = size[1]
+					}
+					part.ArcTo(rx, ry, angle, large, sweep, end[0], end[1])
+				}
+			case "Close":
+				part.Close()
+			}
+		}
+		part.Close()
+		path = path.Append(part)
+	}
+	if canvas.Equal(matrix.a*matrix.d-matrix.b*matrix.c, 0) {
+		path = path.ReplaceArcs()
+	}
+	return path.Transform(actionCanvasMatrix(matrix))
+}
+
+// actionLinkRegion 获取动作点击区域
+// 入参: source 动作来源, action 动作
+// 返回: Box 外接矩形, string 精确路径
+func actionLinkRegion(source actionSource, action Action) (Box, string) {
+	if action.Region == nil {
+		return source.Box, source.Path
+	}
+	path := actionRegionPath(action.Region, source.Matrix)
+	if path.Empty() {
+		return Box{}, ""
+	}
+	box := path.Bounds()
+	return Box{X: box.X0, Y: box.Y0, W: box.W(), H: box.H()}, path.ToSVG()
+}
+
 // resolveActionURI 解析URI动作地址
 // 入参: action URI动作
 // 返回: string URI地址

ofdgo_annot.go

@@ -14,7 +14,10 @@
 
 package ofdgo
 
-import "encoding/xml"
+import (
+	"encoding/xml"
+	"fmt"
+)
 
 // Annotations 注释集合
 type Annotations struct {
@@ -42,6 +45,8 @@ type Annotation struct {
 	Creator     string `xml:"Creator,attr"`
 	LastModDate string `xml:"LastModDate,attr"`
 	Visible     *bool  `xml:"Visible,attr"`
+	NoZoom      bool   `xml:"NoZoom,attr"`
+	NoRotate    bool   `xml:"NoRotate,attr"`
 	Remark      string `xml:"Remark"`
 	Appearance  Appearance
 }
@@ -57,6 +62,8 @@ type AnnotationInfo struct {
 	LastModDate string  `json:"lastModDate,omitempty"`
 	Remark      string  `json:"remark,omitempty"`
 	Visible     bool    `json:"visible"`
+	NoZoom      bool    `json:"noZoom,omitempty"`
+	NoRotate    bool    `json:"noRotate,omitempty"`
 	X           float64 `json:"x"`
 	Y           float64 `json:"y"`
 	Width       float64 `json:"width"`
@@ -82,28 +89,53 @@ func (r *Reader) AnnotationInfos() ([]AnnotationInfo, error) {
 	}
 	var infos []AnnotationInfo
 	for index, page := range doc.Pages.Page {
-		for _, annotation := range r.Annots[page.ID] {
-			box, _ := ParseBox(annotation.Appearance.Boundary)
-			infos = append(infos, AnnotationInfo{
-				ID:          annotation.ID,
-				Page:        index + 1,
-				PageID:      page.ID,
-				Type:        annotation.Type,
-				Subtype:     annotation.Subtype,
-				Creator:     annotation.Creator,
-				LastModDate: annotation.LastModDate,
-				Remark:      annotation.Remark,
-				Visible:     annotation.Visible == nil || *annotation.Visible,
-				X:           box.X,
-				Y:           box.Y,
-				Width:       box.W,
-				Height:      box.H,
-			})
-		}
+		infos = append(infos, r.annotationInfos(index, page.ID)...)
 	}
 	return infos, nil
 }
 
+// AnnotationInfosByIndex 获取指定页面的注释信息，包含不可见注释，不解析页面图元
+// 入参: index 页面索引，从0开始
+// 返回: []AnnotationInfo 注释信息, error 错误信息
+func (r *Reader) AnnotationInfosByIndex(index int) ([]AnnotationInfo, error) {
+	doc, err := r.Doc()
+	if err != nil {
+		return nil, err
+	}
+	if index < 0 || index >= len(doc.Pages.Page) {
+		return nil, fmt.Errorf("page index out of range: %d", index)
+	}
+	return r.annotationInfos(index, doc.Pages.Page[index].ID), nil
+}
+
+// annotationInfos 提取指定页面的注释信息
+// 入参: index 页面索引, pageID 页面标识
+// 返回: []AnnotationInfo 注释信息
+func (r *Reader) annotationInfos(index int, pageID string) []AnnotationInfo {
+	var infos []AnnotationInfo
+	for _, annotation := range r.Annots[pageID] {
+		box, _ := ParseBox(annotation.Appearance.Boundary)
+		infos = append(infos, AnnotationInfo{
+			ID:          annotation.ID,
+			Page:        index + 1,
+			PageID:      pageID,
+			Type:        annotation.Type,
+			Subtype:     annotation.Subtype,
+			Creator:     annotation.Creator,
+			LastModDate: annotation.LastModDate,
+			Remark:      annotation.Remark,
+			Visible:     annotation.Visible == nil || *annotation.Visible,
+			NoZoom:      annotation.NoZoom,
+			NoRotate:    annotation.NoRotate,
+			X:           box.X,
+			Y:           box.Y,
+			Width:       box.W,
+			Height:      box.H,
+		})
+	}
+	return infos
+}
+
 // parseAnnotations 解析注释文件
 // 入参: doc 文档结构
 // 返回: error 错误信息

ofdgo_renderer.go

@@ -180,7 +180,7 @@ func (r *Renderer) renderPageToContext(ctx *canvas.Context, page *PageContent, d
 	return nil
 }
 
-// PageLinks 获取页面及可见注释的矩形链接，解析书签目标，不包含自定义Region
+// PageLinks 获取页面、模板和可见注释的点击链接，包含复杂区域、组合图元和附件动作
 // 入参: page 页面内容
 // 返回: []PageLink 页面链接, error 错误信息
 func (r *Renderer) PageLinks(page *PageContent) ([]PageLink, error) {
@@ -188,20 +188,23 @@ func (r *Renderer) PageLinks(page *PageContent) ([]PageLink, error) {
 	if err != nil {
 		return nil, err
 	}
-	sources := pageActionSources(page, box)
+	sources := r.pageActionSources(page, box)
 	if r.RenderAnnotations {
-		sources = append(sources, annotationActionSources(r.Reader.Annots[page.ID])...)
+		sources = append(sources, r.annotationActionSources(r.Reader.Annots[page.ID])...)
 	}
 	var links []PageLink
 	var bookmarks map[string]Dest
-	for _, source := range sources {
-		if source.Box.W <= 0 || source.Box.H <= 0 {
-			continue
-		}
+	for sourceIndex, source := range sources {
+		start := len(links)
 		for _, action := range source.Actions {
-			if action.Event != "CLICK" || action.Region != nil {
+			if action.Event != "CLICK" {
 				continue
 			}
+			box, path := actionLinkRegion(source, action)
+			if box.W <= 0 || box.H <= 0 {
+				continue
+			}
+			link := PageLink{Box: box, Path: path}
 			if action.Goto != nil {
 				if bookmarks == nil {
 					doc, err := r.Reader.Doc()
@@ -215,10 +218,20 @@ func (r *Renderer) PageLinks(page *PageContent) ([]PageLink, error) {
 				}
 				if dest := gotoDest(action.Goto, bookmarks); dest != nil {
 					value := *dest
-					links = append(links, PageLink{Dest: &value, Box: source.Box})
+					link.Dest = &value
+					links = append(links, link)
 				}
 			} else if action.URI != nil && action.URI.URI != "" {
-				links = append(links, PageLink{URI: resolveActionURI(*action.URI), Box: source.Box})
+				link.URI = resolveActionURI(*action.URI)
+				links = append(links, link)
+			} else if action.GotoA != nil {
+				link.Attachment = action.GotoA.AttachID
+				links = append(links, link)
+			}
+		}
+		if len(links)-start > 1 {
+			for i := start; i < len(links); i++ {
+				links[i].Group = sourceIndex + 1
 			}
 		}
 	}

ofdgo_renderer_pdf.go

@@ -95,16 +95,20 @@ func newPDFNavigation(renderer *Renderer, doc *Document, pages []pdfPage) *pdfNa
 		}
 	}
 	for i, page := range pages {
-		sources := pageActionSources(page.Content, page.Box)
+		sources := renderer.pageActionSources(page.Content, page.Box)
 		if renderer.RenderAnnotations {
-			sources = append(sources, annotationActionSources(renderer.Reader.Annots[page.Content.ID])...)
+			sources = append(sources, renderer.annotationActionSources(renderer.Reader.Annots[page.Content.ID])...)
 		}
 		for _, source := range sources {
-			rect := pdfSourceRect(source.Box, page.Box.H)
 			for _, action := range source.Actions {
 				if action.Event != "CLICK" {
 					continue
 				}
+				box, _ := actionLinkRegion(source, action)
+				if box.W <= 0 || box.H <= 0 {
+					continue
+				}
+				rect := pdfSourceRect(box, page.Box.H)
 				navigation.addAction(i, rect, action, bookmarks, pageIndex, pages)
 			}
 		}